AFI Alumnus Timothy Greenfield-Sanders’ (Class of 1975, Cinematography) TONI MORRISON: THE PIECES I AM captures the definitive filmed biography of one of America’s iconic writers. In the documentary, Morrison herself talks with singular eloquence, insight and honesty about her life, work and the country that undervalued her for far too long. We spoke to Greenfield-Sanders about the film. TONI MORRISON: THE PIECES I AM is a special screening at AFI DOCS at the Navy Memorial’s Arleigh & Roberta Burke Theater in Washington D.C. on Thursday, June 20. Buy tickets here. AFI: What led you to pursue documentary filmmaking? While I always enjoyed…